128086680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{241}}^1$

素因数の和:401

約数の個数: 128

約数和(自身を含む): 398661120

約数和(自身を除く): 270574440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 103, 120, 129, 172, 206, 215, 241, 258, 309, 344, 412, 430, 482, 515, 516, 618, 645, 723, 824, 860, 964, 1030, 1032, 1205, 1236, 1290, 1446, 1545, 1720, 1928, 2060, 2410, 2472, 2580, 2892, 3090, 3615, 4120, 4429, 4820, 5160, 5784, 6180, 7230, 8858, 9640, 10363, 12360, 13287, 14460, 17716, 20726, 22145, 24823, 26574, 28920, 31089, 35432, 41452, 44290, 49646, 51815, 53148, 62178, 66435, 74469, 82904, 88580, 99292, 103630, 106296, 124115, 124356, 132870, 148938, 155445, 177160, 198584, 207260, 248230, 248712, 265740, 297876, 310890, 372345, 414520, 496460, 531480, 595752, 621780, 744690, 992920, 1067389, 1243560, 1489380, 2134778, 2978760, 3202167, 4269556, 5336945, 6404334, 8539112, 10673890, 12808668, 16010835, 21347780, 25617336, 32021670, 42695560, 64043340, 128086680]

約数ペア:

[(1, 128086680), (2, 64043340), (3, 42695560), (4, 32021670), (5, 25617336), (6, 21347780), (8, 16010835), (10, 12808668), (12, 10673890), (15, 8539112), (20, 6404334), (24, 5336945), (30, 4269556), (40, 3202167), (43, 2978760), (60, 2134778), (86, 1489380), (103, 1243560), (120, 1067389), (129, 992920), (172, 744690), (206, 621780), (215, 595752), (241, 531480), (258, 496460), (309, 414520), (344, 372345), (412, 310890), (430, 297876), (482, 265740), (515, 248712), (516, 248230), (618, 207260), (645, 198584), (723, 177160), (824, 155445), (860, 148938), (964, 132870), (1030, 124356), (1032, 124115), (1205, 106296), (1236, 103630), (1290, 99292), (1446, 88580), (1545, 82904), (1720, 74469), (1928, 66435), (2060, 62178), (2410, 53148), (2472, 51815), (2580, 49646), (2892, 44290), (3090, 41452), (3615, 35432), (4120, 31089), (4429, 28920), (4820, 26574), (5160, 24823), (5784, 22145), (6180, 20726), (7230, 17716), (8858, 14460), (9640, 13287), (10363, 12360)]